package DataClear;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;



public class ClearMain
{
    public static void main( String[] args ) throws Exception {
        Configuration conf = new Configuration();

        Job job = Job.getInstance(conf);
        job.setJarByClass(App.class);


        job.setMapperClass(DataMapper.class);
        job.setMapOutputKeyClass(Text.class);
        job.setMapOutputValueClass(NullWritable.class);

        job.setOutputKeyClass(Text.class);
        job.setMapOutputValueClass(NullWritable.class);


        FileInputFormat.setInputPaths(job,new Path(args[0]));
        FileOutputFormat.setOutputPath(job,new Path(args[1]));


        job.waitForCompletion(true);

    }
}
